<template>
  <div class="login_body">
    <div class="bg" />
    <div class="box">
      <div class="title">智慧园区-登录</div>
      <el-form ref="loginForm" :model="loginForm" :rules="loginRules">
        <el-form-item label="账号" prop="username">
          <el-input v-model="loginForm.username" />
        </el-form-item>

        <el-form-item label="密码" prop="password">
          <el-input v-model="loginForm.password" show-password />
        </el-form-item>

        <el-form-item>
          <el-checkbox v-model="loginForm.remember">记住我</el-checkbox>
        </el-form-item>

        <el-form-item>
          <el-button type="primary" class="login_btn" @click="onLogin">登录</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
import { getLoginKey, removeLoginKey, setLoginKey } from '@/utils/auth'
export default {
  name: 'Login',
  data() {
    return {
      loginForm: {
        username: process.env.NODE_ENV === 'development' ? 'demo' : '',
        password: process.env.NODE_ENV === 'development' ? 'zh@hm#23' : '',
        remember: false
      },
      loginRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' }
        ]
      }
    }
  },
  mounted() {
    const loginInfo = JSON.parse(getLoginKey())
    if (loginInfo) {
      this.loginForm.username = loginInfo.username
      this.loginForm.password = loginInfo.password
    }
  },
  methods: {
    onLogin() {
      // 验证表单
      this.$refs.loginForm.validate(async isOk => {
        if (isOk) {
          await this.$store.dispatch('user/login', { username: this.loginForm.username, password: this.loginForm.password })
          // 提示用户
          this.$message.success('登录成功')
          // 跳转首页 或重定向到之前的页面
          const redirect = this.$route.query.redirect
          redirect ? this.$router.push(redirect) : this.$router.push('/')
          // 判断remerber,如果用户选中了，把信息存在本地，在退出的时候，判断本地有没有登录信息，有就回填
          // 用户不选中，把本地的登录信息清空
          if (this.loginForm.remember) {
            setLoginKey({ username: this.loginForm.username, password: this.loginForm.password })
          } else {
            removeLoginKey()
          }
        }
      })
    }
  }
}
</script>

<style scoped lang="scss">
.login_body {
  display: flex;
}

.bg {
  width: 60vw;
  height: 100vh;
  background: url('~@/assets/login-bg.svg') no-repeat;
  background-position: right top;
  background-size: cover;
}

.box {
  margin: 200px 10% 0;
  flex: 1;

  .title {
    padding-bottom: 76px;
    font-size: 26px;
    font-weight: 500;
    color: #1e2023;
  }

  ::v-deep() {
    .ant-form-item {
      display: flex;
      margin-bottom: 62px;
      flex-direction: column;
    }

    .ant-form-item-label label {
      font-size: 16px;
      color: #8b929d;
    }

    .ant-input,
    .ant-input-password {
      border-radius: 8px;
    }
  }
}

.login_btn {
  width: 100%;
}
</style>
